10 Best engine oil flushes of 2025

Explore top picks

Best Choice

1

Liqui Moly

Liquimoly 2037 Pro-Line Engine Flush, 500 ml, 6 Pack
9.8

Exceptional

Our Rating
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Value for Money

2

MAATSEN
Liquii Moly Pro-Line Engine Flush (500 ML) - 2 PACK with Maatsen Nitrile Disposable Gloves
Main highlights

Efficient Engine Cleaning
Provides a gentle and rapid cleaning of oil systems for both gasoline and diesel engines, ensuring optimal performance.

Versatile Compatibility
Ideal for vehicles with catalytic converters, offering safe and effective use without damaging engine seals or materials.

Customer Satisfaction
Praised for its ease of use and effective cleaning, earning a perfect 5-star customer review rating.
Key specs
- package dimensions:7.99 x 5.87 x 3.15 inches
- oem part number:2427
- vehicle type:N/A
- liquid volume:N/A
- flash point:N/A
9.7

Exceptional

Our Rating
3

Liqui Moly
Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037
Main highlights

Efficient Engine Cleaning
Liqui Moly Pro-Line Engine Flush ensures gentle and rapid cleaning, maintaining engine health without damaging seals or materials.

Ideal for High-Mileage Vehicles
Perfect for gasoline and diesel engines, especially older models prone to oil sludge and carbon buildup.

Notable Customer Praise for Performance
Customers frequently commend the product for improving engine smoothness and reducing oil consumption.
Key specs
- Function:Clean and flush oil systems
- Volume:15.2 ounces
- Cleaning:Neutral to seals
- Ease of Use:Simple to use
- Performance:Gentle and rapid cleaning
9.5

Excellent

Our Rating

9.7
Simple to use

9.3
worth the money

9.1
Sheerness
4

Liqui Moly
Liqui Moly Engine Flush Plus 300ml
Main highlights

Key Features and Benefits
The product offers superior durability, user-friendly design, and exceptional performance, making it a reliable choice for various needs.

Ideal Use Cases
Perfect for both indoor and outdoor activities, versatile enough for professional and personal use.

Praised Feature from Reviews
Customers frequently commend the product's outstanding quality and excellent performance, highlighting its reliability and effectiveness.
9.3

Excellent

Our Rating

9.7
worth the money

9.7
materials Quality

9.7
lasts a long time
5

BlueDevil Products

BlueDevil Products Motor Flush - 1 Quart
9.0

Excellent

Our Rating
See Today’s Deals & Prices
6

XADO
XADO Engine Oil System Cleaner with Anti-Carbon Effect - Removes Contamination & Engine Sludge - ATOMEX Total Flush Revitalizant (Bottle, 250ml)
Main highlights

Comprehensive Engine Cleaning
Removes deposits, sludge, and gunk for improved engine performance.

Versatile Application
Ideal for all engine types, including turbo-supercharged engines.

Customer-Praised Performance
Notable for enhancing engine cleanliness and reducing noise.
8.7

Very Good

Our Rating

9.5
Simple to use

9.5
deep clean

9.3
distance
7

Energy Release

Energy Release P023 Motor Flush - 15 fl. oz.
8.6

Very Good

Our Rating
8

DURA LUBE
Dura Lube HL-40831-06 Sludge Away Engine Cleaner, 32-Ounce, Single,Black Bottle
Main highlights

Reduces Sludge Buildup and Prevents Oil Coking
Dura Lube Sludge Away helps reduce sludge buildup and prevents oil coking, improving overall engine performance and extending engine life.

Ideal for High Mileage and Synthetic Oils
Perfect for vehicles with high mileage or using synthetic oils. Use every 3,000 miles or more frequently for severe sludge buildup.

Improves Engine Performance and Smoothness
Customers consistently praise the product for improving engine performance, reducing idle roughness, and eliminating engine noises, making the engine run smoother.
Key specs
- package dimensions:9 x 3.8 x 3 inches
- oem part number:HL-408319-06
- vehicle type:passenger vehicles
- liquid volume:1 quart
- flash point:N/A
8.5

Good

Our Rating
9

BG(0002698761)
Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore
Main highlights

Enhanced Engine Performance
BG Products MOA & EPR bundle improves engine efficiency, reduces oil consumption, and eliminates timing chain noise, ensuring smoother operation and longer engine life.

Ideal for High Mileage Vehicles
Perfect for older vehicles with high mileage, addressing oil consumption and timing chain issues effectively.

Praised for Fuel Efficiency
Customers frequently commend the product for enhancing fuel efficiency and reducing emissions, contributing to cost savings.
8.4

Good

Our Rating

9.7
Simple to use

9.1
distance

8.9
worth the money
10

Liqui Moly
Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
Main highlights

High Load-Bearing Film
Forms a durable lubricant layer on all friction surfaces.

Ideal for High Mileage Engines
Perfect for engines needing smoother operation at high RPMs.

Noise Reduction Praised
Customers highlight significant reduction in engine noise and vibration.
Key specs
- performance:Improves engine sound
- friction reduction:High load-bearing film
- engine protection:Anti-friction
- compatibility:Universal fit
- viscosity:N/A
8.3

Good

Our Rating

9.7
worth the money

9.1
Long life

9.1
distance

10 Best engine oil flushes of 2025

1

Liquimoly 2037 Pro-Line Engine Flush, 500 ml, 6 Pack

How do we rank?

How do we rank?

Analyzing top stores

2

Liquii Moly Pro-Line Engine Flush (500 ML) - 2 PACK with Maatsen Nitrile Disposable Gloves

3

Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037

9.7

9.3

9.1

4

Liqui Moly Engine Flush Plus 300ml

9.7

9.7

9.7

5

BlueDevil Products Motor Flush - 1 Quart

6

XADO Engine Oil System Cleaner with Anti-Carbon Effect - Removes Contamination & Engine Sludge - ATOMEX Total Flush Revitalizant (Bottle, 250ml)

9.5

9.5

9.3

7

Energy Release P023 Motor Flush - 15 fl. oz.

8

Dura Lube HL-40831-06 Sludge Away Engine Cleaner, 32-Ounce, Single,Black Bottle

9

Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore

9.7

9.1

8.9

10

Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

9.7

9.1

9.1

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